Research found that even with increased physical cost—which in the study was a one-gram weight attached to their leg—barn swallows still laid as many eggs as they likely would have without the weight.

I enjoy watching the barn swallows gliding with the ease and grace of Olympic figure skaters through our rural Waconia yard and listening to their musical chattering. They are here to feed on ...

When I was kayaking in Bon Echo Park this summer, I paddled close to the face of this granite cliff and observed barn swallows feeding their young. The parents fly around all day snapping up insects ...

1. In many parts of the world, changes in agricultural land-use have led to significant declines of bird species, including aerial insectivores such as barn swallows. In particular, barn swallow ...